Air freshener



FIG. 1 is a top perspective view of an air freshener according to an embodiment of the present design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a left elevation view thereof;

FIG. 4 is a right elevation view thereof;

FIG. 5 is a rear elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

In FIGS. 1-7, the portions of the air freshener which are shown in phantom lines are for illustrative purposes only and do not constitute a portion of the claimed design. 

CLAIM The ornamental design for an air freshener, as shown and described. 